M1.6 earthquake 5 km SSW of Volcano, Hawaii

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

Hawaiian Volcano Observatory

Local time

Sat, Apr 28, 1973, 5:38 PM HST

UTC

1973-04-29 03:38:08 UTC

Depth

1.9 km (1.2 mi), shallow

Epicenter

19.395° N, 155.259° W

Region

Hawaii

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.9 km in depth

Depth from

From location

Station coverage gap

131°

Stations used

7

• Volcano, HawaiiPopulation 2,575. Forecast6 kmSSW
• Hawaiian Paradise Park, HawaiiPopulation 11,404. Forecast37 kmSW
• Honolulu, HawaiiPopulation 350,964. Forecast344 kmSE

After

1. 2.49 km WSW of Honomu, HawaiiSat, Apr 28, 9:02 PM HST · 19514 days ago · 34 km deep · 49 km away
2. 2.96 km W of Honomu, HISat, Apr 28, 10:52 PM HST · 19514 days ago · 32 km deep · 53 km away
3. 1.915 km S of Volcano, HawaiiSun, Apr 29, 1:08 AM HST · 19514 days ago · 6 km deep · 10 km away
4. 2.01 km WNW of Honomu, HawaiiSun, Apr 29, 1:57 AM HST · 19514 days ago · 36 km deep · 56 km away
5. 2.4Island of Hawaii, HawaiiSun, Apr 29, 3:40 AM HST · 19514 days ago · 32 km deep · 52 km away
6. 2.15 km NW of Honomu, HawaiiSun, Apr 29, 3:58 AM HST · 19514 days ago · 38 km deep · 57 km away
7. 2.412 km SSE of Volcano, HawaiiSun, Apr 29, 4:00 AM HST · 19514 days ago · 6 km deep · 9 km away
8. 2.05 km SW of Volcano, HawaiiSun, Apr 29, 6:08 AM HST · 19514 days ago · 0 km deep · 2 km away
9. 2.05 km SW of Pepeekeo, HawaiiSun, Apr 29, 8:29 AM HST · 19514 days ago · 37 km deep · 47 km away
10. 2.25 km N of Honomu, HawaiiSun, Apr 29, 9:00 AM HST · 19514 days ago · 42 km deep · 61 km away
11. 2.08 km E of Laup?hoehoe, HawaiiSun, Apr 29, 9:15 AM HST · 19514 days ago · 11 km deep · 65 km away
12. 2.22 km ENE of P?hala, HawaiiSun, Apr 29, 9:16 AM HST · 19514 days ago · 6 km deep · 29 km away
13. 1.917 km WSW of Volcano, HawaiiSun, Apr 29, 9:20 AM HST · 19514 days ago · 8 km deep · 14 km away
14. 1.95 km SW of Honomu, HawaiiSun, Apr 29, 1:01 PM HST · 19514 days ago · 31 km deep · 51 km away
15. 2.535 km SE of Naalehu, HawaiiSun, Apr 29, 3:49 PM HST · 19514 days ago · 16 km deep · 60 km away
16. 2.210 km SW of Pa‘auilo, HawaiiSun, Apr 29, 4:56 PM HST · 19514 days ago · 10 km deep · 69 km away
17. 1.65 km SSW of Volcano, HawaiiSun, Apr 29, 7:35 PM HST · 19513 days ago · 2 km deep · 1 km away
18. 2.48 km S of Laup?hoehoe, HawaiiSun, Apr 29, 9:41 PM HST · 19513 days ago · 15 km deep · 58 km away
19. 2.210 km WNW of P?hala, HawaiiSun, Apr 29, 10:10 PM HST · 19513 days ago · 7 km deep · 38 km away
20. 1.55 km SSW of Volcano, HawaiiSun, Apr 29, 10:58 PM HST · 19513 days ago · 1 km deep · 0 km away
21. 2.510 km W of Honomu, HawaiiMon, Apr 30, 2:55 AM HST · 19513 days ago · 33 km deep · 54 km away
22. 2.26 km WSW of Honomu, HawaiiMon, Apr 30, 3:15 AM HST · 19513 days ago · 35 km deep · 51 km away
23. 2.34 km WNW of Pepeekeo, HawaiiMon, Apr 30, 5:14 AM HST · 19513 days ago · 29 km deep · 51 km away
24. 2.019 km WNW of Volcano, HawaiiMon, Apr 30, 6:31 AM HST · 19513 days ago · 7 km deep · 19 km away
25. 3.019 km WNW of Volcano, HawaiiMon, Apr 30, 6:36 AM HST · 19513 days ago · 6 km deep · 19 km away
26. 1.95 km SW of Volcano, HawaiiMon, Apr 30, 1:07 PM HST · 19513 days ago · 0 km deep · 2 km away
27. 2.96 km ESE of Pa‘auilo, HawaiiMon, Apr 30, 7:26 PM HST · 19512 days ago · 9 km deep · 70 km away
28. 1.76 km SW of Volcano, HawaiiMon, Apr 30, 11:00 PM HST · 19512 days ago · 2 km deep · 3 km away
29. 2.39 km W of Honomu, HawaiiTue, May 1, 12:57 AM HST · 19512 days ago · 31 km deep · 54 km away
30. 2.619 km NNE of P?hala, HawaiiTue, May 1, 1:38 AM HST · 19512 days ago · 6 km deep · 17 km away
31. 2.07 km WSW of Pepeekeo, HawaiiTue, May 1, 6:14 AM HST · 19512 days ago · 35 km deep · 48 km away
32. 2.618 km ENE of P?pa‘ikou, HawaiiTue, May 1, 8:47 AM HST · 19512 days ago · 40 km deep · 59 km away
33. 3.01 km WSW of Honomu, HawaiiTue, May 1, 4:14 PM HST · 19512 days ago · 39 km deep · 55 km away
34. 2.812 km S of Waikoloa, HawaiiTue, May 1, 5:51 PM HST · 19512 days ago · 11 km deep · 75 km away
35. 2.93 km WSW of Honomu, HawaiiTue, May 1, 11:52 PM HST · 19511 days ago · 33 km deep · 53 km away
36. 2.012 km SSE of Volcano, HawaiiWed, May 2, 12:27 AM HST · 19511 days ago · 8 km deep · 9 km away
37. 2.115 km S of Fern Forest, HawaiiWed, May 2, 4:15 AM HST · 19511 days ago · 7 km deep · 17 km away
38. 2.26 km WSW of Honomu, HawaiiWed, May 2, 7:06 AM HST · 19511 days ago · 38 km deep · 51 km away
39. 1.77 km NW of Honomu, HawaiiWed, May 2, 4:41 PM HST · 19511 days ago · 13 km deep · 58 km away
40. 2.07 km W of P?pa‘ikou, HawaiiThu, May 3, 3:14 AM HST · 19510 days ago · 37 km deep · 45 km away
41. 1.913 km SSW of Volcano, HawaiiThu, May 3, 4:44 AM HST · 19510 days ago · 6 km deep · 8 km away
42. 2.610 km SW of Pa‘auilo, HawaiiThu, May 3, 1:30 PM HST · 19510 days ago · 10 km deep · 69 km away
43. 2.619 km N of P?hala, HawaiiThu, May 3, 3:13 PM HST · 19510 days ago · 8 km deep · 21 km away
44. 2.317 km SW of Laup?hoehoe, HawaiiThu, May 3, 4:41 PM HST · 19510 days ago · 14 km deep · 54 km away
45. 2.58 km S of Laup?hoehoe, HawaiiThu, May 3, 4:42 PM HST · 19510 days ago · 30 km deep · 57 km away
46. 2.07 km SW of Laup?hoehoe, HawaiiThu, May 3, 9:40 PM HST · 19509 days ago · 13 km deep · 61 km away
47. 1.911 km W of Paukaa, HawaiiFri, May 4, 9:12 AM HST · 19509 days ago · 16 km deep · 42 km away
48. 2.717 km SSW of Leilani Estates, HawaiiFri, May 4, 2:53 PM HST · 19509 days ago · 4 km deep · 28 km away
49. 2.64 km N of Honomu, HawaiiFri, May 4, 8:35 PM HST · 19508 days ago · 38 km deep · 59 km away
50. 2.58 km SSE of Pa‘auilo, HawaiiSat, May 5, 6:13 AM HST · 19508 days ago · 12 km deep · 64 km away
51. 2.210 km SSE of Volcano, HawaiiSat, May 5, 7:14 AM HST · 19508 days ago · 5 km deep · 8 km away
52. 2.819 km ENE of P?hala, HawaiiSat, May 5, 7:14 AM HST · 19508 days ago · 43 km deep · 16 km away
53. 1.810 km SSE of Volcano, HawaiiSat, May 5, 7:16 AM HST · 19508 days ago · 2 km deep · 7 km away
54. 2.114 km SSE of Volcano, HawaiiSat, May 5, 7:16 AM HST · 19508 days ago · 19 km deep · 11 km away
55. 2.16 km SSE of Volcano, HawaiiSat, May 5, 7:20 AM HST · 19508 days ago · 3 km deep · 5 km away
56. 2.39 km SSE of Volcano, HawaiiSat, May 5, 7:24 AM HST · 19508 days ago · -1 km deep · 7 km away
57. 1.89 km SSE of Volcano, HawaiiSat, May 5, 7:27 AM HST · 19508 days ago · 3 km deep · 6 km away
58. 2.59 km S of Volcano, HawaiiSat, May 5, 7:29 AM HST · 19508 days ago · -1 km deep · 6 km away
59. 2.18 km SSE of Volcano, HawaiiSat, May 5, 7:33 AM HST · 19508 days ago · 3 km deep · 6 km away
60. 2.49 km S of Volcano, HawaiiSat, May 5, 7:33 AM HST · 19508 days ago · 3 km deep · 6 km away

The first 60 of at least 201.

Before

1. 2.65 km SSE of Pa‘auilo, HawaiiSat, Apr 28, 2:49 PM HST · 19515 days ago · 12 km deep · 68 km away
2. 2.523 km E of P?hala, HawaiiSat, Apr 28, 2:44 PM HST · 19515 days ago · 50 km deep · 21 km away
3. 2.25 km SSE of Pa‘auilo, HawaiiSat, Apr 28, 2:43 PM HST · 19515 days ago · 13 km deep · 68 km away
4. 2.020 km W of Volcano, HawaiiSat, Apr 28, 2:04 PM HST · 19515 days ago · 5 km deep · 18 km away
5. 3.04 km NNE of Honomu, HawaiiSat, Apr 28, 1:13 PM HST · 19515 days ago · 34 km deep · 60 km away
6. 2.412 km W of Honomu, HawaiiSat, Apr 28, 1:00 PM HST · 19515 days ago · 30 km deep · 51 km away
7. 3.32 km W of Honomu, HawaiiSat, Apr 28, 12:07 PM HST · 19515 days ago · 38 km deep · 55 km away
8. 2.05 km NW of Honomu, HawaiiSat, Apr 28, 11:31 AM HST · 19515 days ago · 40 km deep · 58 km away
9. 2.36 km WSW of Honomu, HawaiiSat, Apr 28, 7:42 AM HST · 19515 days ago · 31 km deep · 52 km away
10. 2.212 km W of Honomu, HawaiiSat, Apr 28, 6:20 AM HST · 19515 days ago · 30 km deep · 52 km away
11. 2.32 km NNW of Honomu, HawaiiSat, Apr 28, 5:16 AM HST · 19515 days ago · 39 km deep · 58 km away
12. 1.817 km SW of Laup?hoehoe, HawaiiSat, Apr 28, 4:49 AM HST · 19515 days ago · 12 km deep · 53 km away
13. 1.910 km W of Honomu, HawaiiSat, Apr 28, 2:53 AM HST · 19515 days ago · 31 km deep · 53 km away
14. 2.13 km W of Honomu, HawaiiSat, Apr 28, 1:52 AM HST · 19515 days ago · 31 km deep · 54 km away
15. 2.120 km N of P?hala, HawaiiSat, Apr 28, 1:47 AM HST · 19515 days ago · 9 km deep · 22 km away
16. 2.26 km NNW of Volcano, HawaiiSat, Apr 28, 1:36 AM HST · 19515 days ago · 24 km deep · 11 km away
17. 2.210 km WSW of Honomu, HawaiiFri, Apr 27, 8:51 PM HST · 19515 days ago · 30 km deep · 51 km away
18. 1.914 km S of Volcano, HawaiiFri, Apr 27, 8:06 PM HST · 19515 days ago · 6 km deep · 10 km away
19. 2.21 km NW of Honomu, HawaiiFri, Apr 27, 6:30 PM HST · 19516 days ago · 35 km deep · 56 km away
20. 1.818 km SW of Laup?hoehoe, HawaiiFri, Apr 27, 6:12 PM HST · 19516 days ago · 12 km deep · 53 km away

From the USGS Earthquake Hazards Program and its partner networks, event hv19730765. Read Fri, Oct 2, 2026, 4:18 PM UTC.